#include <iostream>
#include <vector>
#include <string>
#include <map>
using namespace std;


int main()
{
	map<string, int> m1;
	m1.insert(make_pair("a", 97));
	auto it = m1.find("a");
	cout << "<" << it->first << ":" << it->second << ">" << endl;

	it->second = 100;
	cout << "<" << it->first << ":" << it->second << ">" << endl;

	return 0;
}


